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id="gzwtv2r" class="leftbox clearfix"><h1>安徽橡膠輥定做無(wú)錫市前洲橡膠制品供應(yīng)</h1><div id="cg2lxbu" class="proBig"><div id="ftvxe8z" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316897158967/3092599.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qkbikta" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316897158967/3092599.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pxdfrik" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>安徽橡膠輥定做,橡膠輥</p><p><span>***更新：</span>2020-12-27 05:07:15</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8xxe27a" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫市前洲橡膠制品有限公司</a></p><p><span>聯(lián)系人：</span>楚駿杰</p><p><span>郵箱: </span>89202885@qq.com</p><p><span>電話: </span>13921100029</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-83451974</p><p><span>地址: </span>前洲街道友聯(lián)村</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="8f2oard" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3mq8jls" class="box"><p><p> 否則容易產(chǎn)生脫層現(xiàn)象。（3）硫化劑。采用高質(zhì)量的硫黃粉，可以避免發(fā)生硬度不均和不足。02配方設(shè)計(jì)舉例（1）硬度膠輥膠輥硬度在90~100（邵爾A）。①膠種選擇。一般采用天然橡膠與丁苯橡膠并用，當(dāng)丁苯橡膠用量較多時(shí)，膠層與鐵芯粘合性能下降，應(yīng)增加粘合性樹脂用量。②硫化劑選擇。以硫黃硫化為主，用量有兩種選擇；一是40~50份，硬度提高很快，表面光澤，與鐵芯粘合性能好，但質(zhì)地發(fā)脆，易裂，抗沖擊及耐熱性差；另一種是使用20~30份，用大量填料增硬，這種配合硬而不脆，生熱低，硫化平穩(wěn)，耐熱性好，但混煉時(shí)不易分散，貼合工藝中粘合性能。③促進(jìn)劑選擇，安徽橡膠輥定做。有機(jī)促進(jìn)劑以D為主，用量1份左右，安徽橡膠輥定做，也可用少量促進(jìn)劑M并用，無(wú)機(jī)促進(jìn)劑使用較多，如氧化鋅、氧化鈣、消石灰等。既可起活性作用，又能提高彈性，降低生熱，用量5~10份。④軟化劑選擇。用以改善工藝，幫助配方劑分散，增加粘性，但用量盡量少。（2）半硬度膠輥半硬質(zhì)膠輥硬度在80~85（邵爾A）。①膠種選擇。對(duì)于無(wú)特殊性能要求有以天然橡膠、丁苯橡膠為主（單用或并用）。②硫化劑選擇，安徽橡膠輥定做。硫化劑有兩種選擇，一種是硫黃用量20~30份，填料、炭黑用量70~80份左右，后者加工性能較差。③促進(jìn)劑、軟化劑選擇。噴砂處理：將粗糙處理過的膠輥鐵芯進(jìn)行噴砂處理。安徽橡膠輥定做</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽橡膠輥定做,橡膠輥" src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316897158967/3092599.png"></div><p> 為防止橡膠與金屬芯因?qū)岵町惍a(chǎn)生不同收縮而造成膠輥與膠芯之間發(fā)生脫層，一般硫化多采用緩慢升溫升壓的方式，硫化時(shí)間遠(yuǎn)比橡膠本身所需硫化時(shí)間要長(zhǎng)得多。大型膠輥為達(dá)到內(nèi)外均一硫化以及使金屬芯與橡膠的導(dǎo)熱性相近，在罐內(nèi)停留的時(shí)間往往長(zhǎng)達(dá)24~48h，約為橡膠正常硫化時(shí)間的30~50倍。小型和微型膠輥現(xiàn)已大部分改為平板硫化機(jī)模壓硫化，徹底改變了膠輥傳統(tǒng)的硫化方式。近年還實(shí)行注壓機(jī)裝模、抽真空硫化，并且可以自動(dòng)開閉模，機(jī)械化和自動(dòng)化程度大幅提高，而且硫化時(shí)間短，生產(chǎn)效率高，產(chǎn)品質(zhì)量好。尤其是采用橡膠注射成型硫化機(jī)時(shí)，把成型和硫化兩個(gè)工序合二為一，時(shí)間可以縮短到2~4min，已成為膠輥生產(chǎn)發(fā)展的重要方向。目前，以聚氨酯彈性體（PUR）為的液體橡膠在膠輥生產(chǎn)中發(fā)展很快，并為之開辟了材料和工藝**的新途徑。它采用澆注形式，把復(fù)雜的成型操作與笨重的硫化設(shè)備甩掉，使膠輥生產(chǎn)工藝大為簡(jiǎn)化。不過，大問題是由于必須使用模具，對(duì)于大型膠輥特別是單個(gè)產(chǎn)品來(lái)說，導(dǎo)致生產(chǎn)成本大幅提高，給推廣使用帶來(lái)了很大困難。為解決這一難題，近年開始出現(xiàn)無(wú)模制造的PUR膠輥新工藝。它以聚氧化丙烯醚多元醇(TDIOL)、聚四氫呋喃醚多元醇(PIMG)和二苯甲烷二異氰酸酯。安徽橡膠輥定做能夠感到有一定緊力就行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽橡膠輥定做,橡膠輥" src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316444082648/281271.png"></div><p> 在膠印過程中，膠輥表面由于帶墨、摩擦、紙毛、紙粉，干燥劑等影響,日積月累下通常會(huì)產(chǎn)生紙屑堆積殘留、油墨、表面硬化發(fā)亮等現(xiàn)象，勢(shì)必會(huì)對(duì)印刷勻墨、油墨移轉(zhuǎn)、印刷質(zhì)量，網(wǎng)點(diǎn)擴(kuò)大率造成直接影響。墨輥是供墨系統(tǒng)的主體，我們必須重視墨輥表面發(fā)亮釉化帶來(lái)的影響，同時(shí)探討并預(yù)防，維護(hù)和解決的方法。（墨輥表面釉化發(fā)亮破損）膠輥表面硬化/釉化的危害①墨輥系統(tǒng)在高速印刷時(shí),由于墨輥硬化,容易產(chǎn)生摩擦高溫,造成供墨不穩(wěn)定②墨輥表面硬化/發(fā)亮,直接影響墨輥的帶墨量與儲(chǔ)墨量,引生實(shí)地供墨不足,印刷前深后淺等問題③膠輥表面硬化/發(fā)亮,印刷中容易引生墨杠/水杠及磨損印版防止膠輥表面硬化/釉化發(fā)亮的方法①必須非常關(guān)注墨輥壓力的調(diào)整,膠輥很快硬化/發(fā)亮損壞主要的原因就是來(lái)自超額的壓力。②對(duì)于有速度差的墨輥與水輥(特別是有差速刮墨皮裝置的靠版水輥),要特別關(guān)注正確壓力的調(diào)節(jié),壓力過大,一定導(dǎo)致膠輥快速發(fā)亮釉化(360度摩擦)。③清洗墨輥,必須使用良好正確的洗車水,同時(shí)洗車過程中,必須多次淋入適量清水,洗出墨輥表面殘留的紙粉/紙毛與膠質(zhì)。④建議每?jī)芍?要用墨輥清潔膏或深層除鈣劑,以涂布并停留較長(zhǎng)時(shí)間的方式,徹底潔凈墨輥表面。⑤關(guān)注工廠水質(zhì)變化。</p><p> 膠輥輥芯在大部分檢測(cè)標(biāo)準(zhǔn)中都有提到，所以我們也可以作為膠輥檢測(cè)的參考指標(biāo)。膠輥主要檢測(cè)項(xiàng)目1.膠輥硬度檢測(cè)項(xiàng)目：橡膠國(guó)際硬度、趙氏硬度、邵爾A硬度；2.膠輥用膠料物理性能檢測(cè)項(xiàng)目：硬度、硬度公差、拉伸強(qiáng)度、拉伸伸長(zhǎng)率、屈撓龜裂、撕裂強(qiáng)度、壓縮長(zhǎng)久表現(xiàn)、回彈性、耐油質(zhì)量變化率、阿克隆磨耗、吸振性、摩擦性能；3.膠輥用膠料化學(xué)性能檢測(cè)項(xiàng)目：耐液體性能、耐酸試驗(yàn)、耐堿試驗(yàn)、熱空氣老化、耐腐蝕性、導(dǎo)電性、傳熱性、親水性、耐溶劑性；4.膠輥表面特性檢測(cè)項(xiàng)目：脫層、機(jī)械損傷、雜質(zhì)、氣泡、砂眼、表面粗糙度、表面處理；5.膠輥其他檢測(cè)項(xiàng)目：尺寸公差、膠層厚度、膠層與輥芯黏合強(qiáng)度；6.膠輥輥芯檢測(cè)項(xiàng)目：尺寸、表面質(zhì)量、壁厚、平衡量、焊縫質(zhì)量。常見質(zhì)量問題和修補(bǔ)缺陷1.有砂眼、雜志、氣孔、凹陷。膠料雜志過濾不凈，膠層過后搭接厚氣體排不出等造成。輕微的可以先把損壞處挖成凹形，處理界面厚涂抹熱硫化黏合劑和混煉膠高溫硫化成型，帶冷卻后車床打磨即可。嚴(yán)重的返工重新做。2.橡膠與金屬芯脫層輥芯表面處理不到位，螺紋太大比表面積小，膠黏劑沒有干燥好直接纏膠硫化、硫化罐升溫過快翹開或欠硫所致。要重新制作。3.重皮膠料返煉不均。稍有差池，會(huì)直接影響到使用效果。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽橡膠輥定做,橡膠輥" src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316525322845/7148372.png"></div><p> 與丁腈橡膠輥相比，天然橡膠輥的應(yīng)用范圍相對(duì)較小，但還是有很多場(chǎng)合必須使用天然橡膠輥；天然橡膠價(jià)格高，曾一度飆升至40000元/噸，目前天然膠市場(chǎng)價(jià)格也在10000元/噸以上，因此很多天然橡膠輥生產(chǎn)企業(yè)都希望尋找一種天然橡膠的替代原料，達(dá)到降低生產(chǎn)成本的目的HYL14Y8Y1J-SXC。1.天然橡膠輥的替代原料—乳膠再生膠乳膠再生膠是天然橡膠制品廠家常用的降低橡膠制品成本的新型原材料，在天然橡膠輥生產(chǎn)過程中，選擇高含膠量的乳膠再生膠可以替代更多組分的天然膠，并保證膠輥良好的使用性能和使用壽命；常見的乳膠再生膠有黑白兩種顏色，其中同指標(biāo)的黑乳膠再生膠產(chǎn)品價(jià)格比白乳膠再生膠低，用于生產(chǎn)黑色或深色天然橡膠輥可以降低更多的生產(chǎn)成本；在實(shí)際生產(chǎn)中，乳膠再生膠替代量可以根據(jù)天然橡膠輥的各項(xiàng)指標(biāo)需求決定。2.天然橡膠輥的替代原料—輪胎再生膠輪胎再生膠是廢舊輪胎加工而成的再生膠產(chǎn)品，其原料來(lái)源廣、產(chǎn)品價(jià)格低，深受橡膠制品廠家青睞，由于輪胎再生膠自身性能和膠料相容性的一些限制，并不是所有橡膠制品都可以使用輪胎再生膠。輪胎再生膠主要成分包括天然膠、丁苯膠或順丁橡膠，與天然膠相容性良好，理論上可以摻用在以天然膠為主要原料的橡膠輥中。而且會(huì)嚴(yán)重影響橡膠輥的使用質(zhì)量。江蘇通用橡膠輥</p><p style="text-indent:25px">機(jī)器的高速運(yùn)轉(zhuǎn)使到膠輥的表面溫度不斷升高。安徽橡膠輥定做</p><p> 促進(jìn)劑、軟化劑等須用原則與硬質(zhì)輥相同。（3）軟質(zhì)膠輥軟質(zhì)膠輥硬度在30~40（邵爾A），大多數(shù)為印染及印刷膠輥，由于性能要求不同，使用膠種不同，配合體系不同。①天然橡膠配合。要求硬度低達(dá)到30（邵爾A），均勻一致，表面光滑，彈性及柔軟性好。對(duì)于軟化劑，必須大量使用才能降低硬度，若要求硬度在20（邵爾A）左右時(shí)，軟化劑用量相當(dāng)于生膠的1~2倍，但會(huì)給混煉工藝造成困難，容易出現(xiàn)遷移現(xiàn)象，可以使用大量油膏填充，以保證半成品遷性。硫化體系一般硫黃倍，促進(jìn)劑選擇硫化流動(dòng)性好，定型慢的促進(jìn)劑為主。常用促進(jìn)劑M、DM單用，用量一份左右。填料一般為輕質(zhì)碳酸鈣，碳酸鎂為主，用量不宜過多，約20~30份，其他用氯化鋅填充。②丁腈橡膠配合。丁腈橡膠適用于耐油印刷膠輥。采用合成酯類作為丁腈橡膠的軟化劑，用量不宜過多，避免造成噴出，可與油膏并用，既可降低硬度，又能保證加工工藝順利進(jìn)行，總用量約為200份左右。硫化體系與天然橡膠配合相同，只是硫黃用量稍低，促進(jìn)劑用量稍高。其他配合與天然橡膠配合相同。03配方舉例《橡膠制品配方》節(jié)選張玉龍01膠料制備對(duì)膠輥來(lái)說，膠料的混煉是為關(guān)鍵的環(huán)節(jié)。安徽橡膠輥定做</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2581241.html</p></div></div></div></div></div><div id="f2sftf2" class="page-right twoColRt"><div id="qew9f8w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g78rifh" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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